4265519161 has 2 divisors, whose sum is σ = 4265519162. Its totient is φ = 4265519160.

The previous prime is 4265519149. The next prime is 4265519221. The reversal of 4265519161 is 1619155624.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4072864761 + 192654400 = 63819^2 + 13880^2 .

It is a cyclic number.

It is not a de Polignac number, because 4265519161 - 2⁷ = 4265519033 is a prime.

It is not a weakly prime, because it can be changed into another prime (4265519131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2132759580 + 2132759581.

It is an arithmetic number, because the mean of its divisors is an integer number (2132759581).

Almost surely, 2^4265519161 is an apocalyptic number.

It is an amenable number.

4265519161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4265519161 is an equidigital number, since it uses as much as digits as its factorization.

4265519161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 40.

The square root of 4265519161 is about 65310.9421230470. The cubic root of 4265519161 is about 1621.7751157562.

It can be divided in two parts, 42655 and 19161, that added together give a palindrome (61816).

The spelling of 4265519161 in words is "four billion, two hundred sixty-five million, five hundred nineteen thousand, one hundred sixty-one".